With few early symptoms, ovarian cancer — like many cancers — can be hard to detect without invasive and expensive procedures. "Early detection is absolutely not only key but probably the only way for us to win the war on cancer," says Vadim Backman who is a biomedical engineer at Northwestern University in Evanston, Ill. With support from the National Science Foundation, in part funded through the American Recovery and Reinvestment Act of 2009 (ARRA), Backman's research is shedding...